Adobe® Photoshop® Read Me
Welcome to Adobe® Photoshop® CS5.1. This document contains late-breaking product
information, updates, and troubleshooting tips not covered in the Photoshop documentation.
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Minimum system requirements
Install your software
Uninstall your software
Trial software
Electronic licensing
Registration information
Font installation
Known issues
Customer care
Other resources
Minimum system requirements
Windows®
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2GHz or faster processor*
Microsoft® Windows® XP with Service Pack 3, Windows® Vista® Home Premium,
Business, Ultimate, or Enterprise with Service Pack 2, Windows® Vista® 64-bit or
Windows® 7
1GB of RAM or more recommended
1GB of available hard-disk space for installation; additional free space required during
installation (Photoshop CS5.1 cannot be installed on flash-based storage devices.)
1,024x768 display (1,280x800 recommended) with qualified hardware-accelerated
OpenGL® graphics card, 16-bit color and 256MB VRAM
DVD-ROM drive
Some 3D features in Adobe Photoshop Extended require an OpenGL 2.0 capable
graphics card with at least 256MB of VRAM (512MB VRAM is recommended)
Shader Model 3.0
Some features in Bridge rely on DirectX9 capable graphics card with at least 128MB of
VRAM
QuickTime 7.4.5 required for multimedia features
Broadband Internet connection required for online services
*SSE2-enabled processor required for AMD systems
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Mac OS X
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Multicore Intel® processor
Mac OS X v10.5.7 minimum is required; Mac OS v10.6.2 is recommended; 32-bit and
64-bit systems (You may need to run 32-bit in order to run 32-bit only plug-ins.)
1GB of RAM or more recommended
2GB of available hard-disk space for installation; additional hard-disk space required
during installation (Photoshop CS5.1 cannot be installed on a volume that uses a casesensitive file system or on flash-based storage devices.)
1,024x768 display (1,280x800 recommended) with qualified hardware-accelerated
OpenGL® graphics care, 16-bit color and 256MB VRAM
DVD-ROM drive
Some 3D features in Adobe Photoshop Extended require an OpenGL 2.0 capable
graphics card with at least 256MB of VRAM (512MB VRAM is recommended)
Shader Model 3.0
QuickTime 7.4.5 required for multimedia features
Broadband Internet connection required for online services
For updates to system requirements,
visit http://www.adobe.com/products/photoshop/photoshop/systemreqs/
For CS Live system requirements, visit www.adobe.com/go/cslive_requirements
This product may allow you to extend its functionality by accessing certain features that are
hosted online, including the Adobe CS Live online services ("Online Services"). The Online
Services, and some features thereof, may not be available in all countries, languages, and/or
currencies and may be discontinued or modified in whole or in part without notice. Use of the
Online Services is governed by separate terms of use and by the Online Privacy Policy, and
access to some services may require user registration. Some Online Services may be subject to
fees and require a subscription. Fees subject to change. For more details and to review the
applicable terms of use and Online Privacy Policy, visit www.adobe.com.
Install your software
1. Before you install, be sure to close all applications currently running on your system
(including other Adobe applications, Microsoft Office applications, and browser
windows). We also recommend that you temporarily turn off virus protection during the
installation process.
2. You must have administrative privileges or be able to validate as an administrator.
3. Do one of the following:
Windows:
Insert the DVD in your drive, then follow the on-screen instructions. If the installer does
not launch automatically, navigate to the Adobe Photoshop CS5.1 folder found at the root
level on the DVD and double-click Set-up.exe to start the installation process.
If you downloaded the software from the web, the installer will self-extract and launch
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automatically. If the installer does not launch automatically, open the folder, navigate to
the Adobe CS5.1 folder, double-click Set-up.exe, and then follow the on-screen
instructions.
Mac:
Insert the DVD in your drive, navigate to the Adobe Photoshop CS5.1 folder found at the
root level on the DVD, double-click Install.app, and then follow the on-screen
instructions.
If you downloaded the software from the web, open the folder, navigate to the application
folder, double-click Install.app, and then follow the on-screen instructions.
4. If you are installing as an upgrade, the installer will check your system to find a valid
upgrade product. If it cannot find one, it will ask you to input the serial number of the
product being upgraded. You can also install the software as a trial, then input your new
and previous serial numbers in the serialization screen shown during launch.
5. For additional CS5.1 installation help, go to: www.adobe.com/go/cs5install/.
Adobe Photoshop CS5.1 and Adobe Photoshop CS5.1 Extended
Both Adobe Photoshop CS5.1 and Adobe Photoshop CS5.1 Extended have the option to run
natively in either 32-bit or 64-bit editions of Windows® Vista® Home Premium, Business,
Ultimate, or Enterprise with Service Pack 2, Windows® 7 or Macintosh OSX v10.5.7 - 10.6.2.
Macintosh 64-bit
Photoshop will automatically detect and run the 64-bit version on 64-bit Macintosh systems. To
force Photoshop to launch the 32-bit version, navigate to the application and "Get Info" (Control
+ Click on the application icon), then select the "Open in 32-bit mode" checkbox.
Microsoft® Vista® or Windows 7
Photoshop will automatically install the 32-bit version of Photoshop CS5.1 if you are on a 32-bit
Windows OS. Photoshop will install both the 32-bit and 64-bit versions of Photoshop on 64-bit
systems. To install only the Photoshop 64-bit version on a 64-bit Windows OS, follow the steps
below:
1. Run the Photoshop CS5.1 installer.
2. Enter your serial number. Click Accept.
3. On the right side of the Options panel under the 64-bit heading, uncheck the box for
Adobe Photoshop CS5.1. Leave the "Adobe Photoshop CS5.1 (64-bit)" option checked.
4. Finish installation.
Known issues
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On Mac, you cannot install to the root directory of the boot drive.
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When installing on Vista64, an incorrect default installation location appears. The
application will be installed in the correct location: C:\Program Files (x86).
The "Total Size" displayed in the Installer Options screen includes space required for
components required for the installation but NOT shown in the component list; the
number may not equal the listed components size.
For more detailed information about troubleshooting your installation, go
to www.adobe.com/go/support_loganalyzer.
Can’t install on case-sensitive file systems. Please see:
http://kb2.adobe.com/cps/404/kb404473.html
Note: In order to install additional components or reinstall your software after your original
installation, you will need access to the original installer (CD, DVD or the download from the
web). Repair is not an available option.
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If you are running Microsoft® Windows® XP with Service Pack 3, Photoshop will run in
both 32-bit and 64-bit editions. However, we do not officially support the 64-bit edition
and you may run into problems.
If you install Photoshop CS5.1 on your system and then install Photoshop CS4 afterward,
you will not in the future be able to use the Photoshop CS4 installer to repair your
Photoshop CS4 installation. To do the repair, you must uninstall Photoshop CS4 and then
reinstall it.
Uninstall your software
Before you uninstall, close all applications currently running on your system (including other
Adobe applications, Microsoft Office applications, and browser windows).
Do one of the following:
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In Windows® XP, open the Windows Control Panel and double-click Add or Remove
Programs. Select the product that you want to uninstall, click Change/Remove, then
follow the on-screen instructions.
In Windows® Vista® and Windows® 7, open the Windows Control Panel and doubleclick Programs and Features. Select the product that you want to uninstall, click
Uninstall, then follow the on-screen instructions.
IMPORTANT: Mac OS has new uninstall functionality. DO NOT drag applications to
the trash to uninstall them. To safely uninstall on Mac OS X, double-click the product
installer in Applications/Utilities/Adobe Installers or double-click on the Uninstall alias
located in the Application folder. Select Remove Preferences, then Authenticate as an
Administrator and follow the on-screen instructions.
Note: We allow you to install on two computers per serial number. If you have done so, but want
to install the product on a new machine, you must first deactivate the software on one of your
computers. To deactivate, either choose Help > Deactivate or check the Deactivate checkbox
during the uninstall process.
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Trial software
Entering a serial number
Enter the serial number for the software you purchased in the serialization screen. The
serialization screen will load the first time you launch the application. You can enter a serial
number for the application itself or a serial number for any Creative Suite that contains the
application. If the product you purchased is one of the Creative Suites, you can enter the serial
number in any of the applications contained in the Creative Suite. Other applications installed as
part of the same Creative Suite will recognize the new serial number the next time the
applications are launched.
Only applications running as a trial will recognize the new serial number. If any of the
applications have already been serialized with a different serial number, they will continue to use
that serial number until you remove the older serial number using Help > Deactivate >
Deactivate Permanently. After selecting this option, they will recognize the new serial
number on the next launch of the application.
The serial number you purchased is for the use of the software in a specific language, and will
only be accepted by a product installed in that language.
Volume licensing
Volume licensing customers cannot purchase from a trial directly. However, a volume licensing
serial number can be used to serialize all Creative Suite applications, except the Acrobat 9 trial
or retail versions that ship with Creative Suite. Photoshop CS5.1 volume licensing software must
be purchased from an authorized Adobe licensing center. Please contact your reseller or
authorized Adobe licensing center to place an order for a volume license. To find a reseller in
your area, go to http://partners.adobe.com/resellerfinder/na/reseller.jsp.
Electronic licensing
You must accept the license agreement and warranty terms to use this product.
See www.adobe.com/go/eulas for details. This product may automatically attempt to activate
over the Internet. See www.adobe.com/go/activation for details.
Registration information
Creating an Adobe ID registers your software and sets up access to Adobe CS Live online
services. In order to take advantage of your complimentary subscription of CS Live services, and
get up-to-date product information, training, newsletters, and invitations to Adobe events and
seminars, you must register your product.
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Font installation
All font related documentation is online. Visit
http://www.adobe.com/type/browser/landing/creativesuite/creativesuite5.html to find our
OpenType User Guide, OpenType Read Me, links to font-specific Read Me documents, listings
of fonts installed by the different CS5.1 products, and listings of fonts included on DVD for each
of the CS5.1 products.
The Creative Suite 5.1 installer installs fonts into a default system font directory. Many of these
fonts are newer versions of fonts installed by Creative Suite 4. If the installer finds older versions
of these fonts in the default system font directory, it will uninstall the older versions, and save
them to a new directory. The default system font directory is:
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Mac: <System Disk>/Library/Fonts
Windows: <System Disk>:\Windows\Fonts
The older fonts will be saved in the new directory:
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Mac: <System Disk>/Library/Application Support/Adobe/SavedFonts/current
Windows: <System Disk>:\Program Files\Common Files\Adobe\SavedFonts\current
This new directory will also contain a file named "Read Me.html" which lists the saved fonts, as
well as the version numbers of the new and old font files.
You can re-install the older fonts by deleting the new font files from the default system font
directory and moving the old files back into that directory.
There are additional fonts on the installation disc. For information on installing these fonts, see
http://www.adobe.com/go/learn_fontinstall_en.
Known issues
For a list of known issues from Photoshop CS5.1, please go to
http://go.adobe.com/kb/ts_cpsid_89027_en-us.
Customer care
Customer Service
Adobe Customer Service provides assistance with product information, sales, registration, and
other non-technical issues. To find out how to contact Adobe Customer Service, please visit
Adobe.com for your region or country and click on Contact.
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Support Plan Options and Technical Resources
If you require technical assistance for your product, including information on complimentary and
fee-based support plans and troubleshooting resources, more information is available at
http://www.adobe.com/go/support/. Outside of North America, go
to http://www.adobe.com/go/intlsupport/, click on the drop down menu under the question “Need
a different country or region?”, choose a different country or region, then click
GO. Alternatively, you can click on Change beside the country name at the top of the screen to
select a different country or region.
Free troubleshooting resources include Adobe’s support knowledgebase, Adobe user-to-user
forums, Adobe Support Advisor and more. We are continually making additional tools and
information available online in order to provide you with flexible options for resolving issues as
fast as possible.
If you are having any issues with installing or uninstalling any of your Creative Suite 5.1
applications, please try rebooting your system prior to contacting Support. For additional CS5.1
installation help, go to www.adobe.com/go/cs5install/.
Other resources
Online Resources
For complete Help plus community-based instruction, inspiration, and support, go to
www.adobe.com/go/learn_Photoshop_support_en.
Adobe website
Adobe TV
Adobe Design Center
Developer Center
User Forums
Adobe User Groups
Adobe Marketplace and Exchange
Training
Adobe Certification Program
Adobe Partner Programs
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